Home / 2,872,420.35-4,308,033.55-850,189.74

Finding the Fourth Proportional to 2,872,420.35, 4,308,033.55 and 850,189.74

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Solution

The fourth proportional to 2,872,420.35, 4,308,033.55 and 850,189.74 is: 1,275,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,420.35 : 4,308,033.55 = 850,189.74 : x
  2. Step 2: Convert to fraction form
    2,872,420.35/4,308,033.55 = 850,189.74/x
  3. Step 3: Cross multiply
    2,872,420.35x = 4,308,033.55 × 850,189.74
  4. Step 4: Simplify right side
    2,872,420.35x = 3,662,645,923,785.78
  5. Step 5: Solve for x
    x = 3,662,645,923,785.78/2,872,420.35
  6. Step 6: Final answer
    x = 1,275,107.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.